GGD

Type meaning

华通型号说明.png

Service conditions

Normal service conditions of switchgear as follows:
Ambient temperature:
Maximum	+40°C
Maximum 24 hour average	+35°C
Minimum (according to minus 15 indoor classes)	-5°C
Ambient humidity:
Daily average relative humidity	less than 95%
Monthly average relative humidity	less than 90%
Earthquake intensity	less than 8 degree
Height above sea level	less than 2000m

This product should not be used under conditions of fire, explosion, earthquake and chemical corrosion environments.

Main Technical specification

Item	Unit	Data
Rated voltage	V	400 / 690
Rated insulation voltage	V	690/1000
Rated frequency	Hz	50 / 60
Rated main bus bar current	A	max:>7500A min:630-7500A
Rated short time withstand current of main bus bar (1s)	kA	50/80
Rated short time peak withstand current of main bus bar	kA	105/176
Rated distribution bus bar current	A	1000
Degree of protection		IP30,IP40

Normal dimension of GGD switchgear

Remakes: Dimensions of actual products is usually according to different customer requirements